Hi Ben,
thank you for your answer. you got it quite right: the tool i'm hacking together atm is indeed a little more than just blending images: inputs can be still images, movie clips, live video streams and probably some other stuff as well. each of these inputs has a filter chain assigned to it (various pix_objects) and will then be rendered on some sort of geo (the few gem provides plus 3d objects, oscilloscopes, spectrum analysers and so on). The rough idea is that everything can be done to anything, the result can then be rendered on any of the geos. so basically it's mainly kicking messages around: draw the motion-blurred input from the video scratcher on a cube whose size depends on the amount of bass in the music and the like. i resort to a midi controller to manage this mess, although plain clicking is also possible.
And yeah, I ran into several limitations of this concept already (mixing chains doesn't fit into it, for example, feedback would also be quite a hack), but i want to finish it for the sake of having it done :-) I already had a quick look at pdp - looked very promising. some things keep me from switching to linux at the moment (neither midi nor tv out is working atm, searchin and compiling missing libs is almost always a pita, etc.), but i will do this sooner or later.
I'll have a look at your pixelTango - it was linux only the last time i checked :-)
all the best, thoralf.
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